TVS Diodes

Transient voltage suppressor diodes, more commonly known as TVS diodes, are used to protect integrated circuits (ICs). TVS diodes protect semiconductors and sensitive components against high transient voltage spikes (overvoltage).


TVS diodes are offered in both through hole and surface mount packages. They can be unidirectional or bidirectional. Unidirectional TVS diodes will only allow positive or negative voltage whereas bidirectional diodes can operate at both positive and negative voltages.


TVS diodes are able to conduct large currents to the ground due to their construction. They feature a much larger p-n junction cross-sectional area than standard diodes.



What are the benefits of using transient voltage suppressor diodes?


TVS diodes respond incredibly quickly to overvoltage events, clamping transient voltages almost immediately. This enables them to protect circuits from the effects of arcing, inductive load switching, lightning strikes, EFT (electrical fast transients) and the ESD (electrostatic discharge) created by data lines and electronic circuits.


What do I need to consider when choosing a TVS diode?


There are a number of differentiators when choosing a TVS diode, but two key factors to consider are reverse standoff voltage and breakdown voltage.


  • Reverse standoff voltage - This is the operating voltage that the data or power line should not exceed.

  • Breakdown voltage - This is the voltage rating at which the TVS diode will provide protection and start conducting current to the ground. This voltage value is normally a little high than the reverse standoff voltage

Applications:


TVS diodes have numerous applications but are well suited to protect


  • microprocessors

  • MOS memory

  • AC power lines

  • Telecommunication equipment

  • Consumer electronics

...
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Description Price Diode Configuration Direction Type Maximum Clamping Voltage Minimum Breakdown Voltage Mounting Type Package Type Maximum Reverse Stand-off Voltage Pin Count Peak Pulse Power Dissipation Maximum Peak Pulse Current ESD Protection Number of Elements per Chip Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 919-6387
Mfr. Part No.1.5KE350CA
HK$2.568
Each (In a Bag of 600)
units
Single Bi-Directional 618V 332V Through Hole DO-201 299V 2 1500W 16A - 1 -65 °C +175 °C
RS Stock No. 795-7338
Mfr. Part No.SM4T28AY
HK$3.872
Each (In a Pack of 25)
units
Single Uni-Directional 50V 26.7V Surface Mount DO-214AC (SMA) 24V 2 400W 46A - 1 -55 °C +150 °C
RS Stock No. 179-1120
Mfr. Part No.SMBJ15A-13-F
HK$0.736
Each (On a Reel of 3000)
units
Single Uni-Directional 24.4V 16.7V Surface Mount DO-214AA (SMB) 15V 2 600W 24A - 1 -55 °C +150 °C
RS Stock No. 177-7541
Mfr. Part No.SMAJ36A-E3/61
BrandVishay
HK$0.74
Each (On a Reel of 1800)
units
Single Uni-Directional 58.1V 40V Surface Mount DO-214AC (SMA) 36V 2 400W 6.9A - 1 -55 °C +150 °C
RS Stock No. 921-7459
Mfr. Part No.824500331
HK$2.014
Each (In a Pack of 50)
units
Single Uni-Directional 53.3V 38.65V Surface Mount DO-214AC (SMA) - 2 400W 40A - 1 -65 °C +150 °C
RS Stock No. 183-5187
Mfr. Part No.UMZ12NUMTL
BrandROHM
HK$0.572
Each (On a Reel of 3000)
units
- Uni-Directional - 11V Surface Mount SOT-323FL 10V 3 200mW - Yes 2 - 150 °C
RS Stock No. 178-7418
Mfr. Part No.SMAJ13A-TR
HK$0.719
Each (On a Reel of 5000)
units
Single Uni-Directional 27.2V 14.4V Surface Mount DO-214AC (SMA) 13V 2 400W 85A Yes 1 -55 °C +150 °C
RS Stock No. 171-4141
Mfr. Part No.SMBJ26A
BrandLittelfuse
HK$1.658
Each (On a Reel of 3000)
units
Single Uni-Directional 42.1V 28.9V Surface Mount DO-214AA (SMB) 26V 2 600W 14.3A Yes 1 -65 °C +150 °C
RS Stock No. 166-3148
Mfr. Part No.SMCJ160A
HK$1.801
Each (On a Reel of 3000)
units
Single Uni-Directional 259V 178V Surface Mount DO-214AB (SMC) 160V 2 1500W 5.8A - 1 - +150 °C
RS Stock No. 921-7190
Mfr. Part No.824550261
HK$12.203
Each (In a Pack of 10)
units
Single Uni-Directional 42.1V 30.4V Surface Mount DO-214AB (SMC) - 2 3000W 300A - 1 -65 °C +150 °C
RS Stock No. 802-2332
Mfr. Part No.SMBJ36CA
HK$1.556
Each (In a Pack of 50)
units
Single Bi-Directional 58.1V 40V Surface Mount DO-214AA (SMB) 36V 2 600W 10.3A - 1 -55 °C +150 °C
RS Stock No. 815-2575
Mfr. Part No.ICTE12C-E3/54
BrandVishay
HK$6.533
Each (In a Pack of 10)
units
Single Bi-Directional 16.7V 14.1V Through Hole 1.5KE 12V 2 1500W 70A - 1 -55 °C +175 °C
RS Stock No. 631-0971
Mfr. Part No.SMCJ110CA-E3/57T
BrandVishay
HK$4.36
Each (In a Pack of 20)
units
Single Bi-Directional 177V 122V Surface Mount SMC 110V 2 1500W 8.5A - 1 -55 °C +150 °C
RS Stock No. 852-3873
Mfr. Part No.P6KE30CA-E3/51
BrandVishay
HK$4.21
Each
units
Single Bi-Directional 41.4V 28.5V Through Hole DO-204AC 25.6V 2 600W 14.5A - 1 -55 °C +175 °C
RS Stock No. 171-4359
Mfr. Part No.SMCJ100CA
BrandLittelfuse
HK$4.46
Each (In a Pack of 10)
units
Single Bi-Directional 162V 111V Surface Mount DO-214AB (SMC) 100V 2 1500W 9.3A Yes 1 -65 °C +150 °C
RS Stock No. 166-0107
Mfr. Part No.SP0505BAHTG
BrandLittelfuse
HK$3.246
Each (On a Reel of 3000)
units
Array Uni-Directional 8.5V - Surface Mount SOT-23 5.5V 6 0.22W - Yes 5 -40 °C +85 °C
RS Stock No. 921-0975
Mfr. Part No.D58V0M4U8MR-13
HK$5.859
Each (In a Pack of 10)
units
Complex Array Uni-Directional 100V 64.4V Surface Mount SOIC 58V 8 2700W 24A Yes 4 -65 °C +150 °C
RS Stock No. 791-9049
Mfr. Part No.PTVS48VS1UR,115
BrandNexperia
HK$2.008
Each (In a Pack of 30)
units
Single Uni-Directional 77.4V 53.3V Surface Mount SOD-123W 48V 2 400W 5.2A Yes 1 -55 °C +150 °C
RS Stock No. 126-1764
Mfr. Part No.TISP4G024L1WR-S
BrandBourns
HK$5.275
Each (In a Pack of 10)
units
- Bi-Directional 60V 30V Surface Mount SOT-23 24V 6 - 30A Yes 2 -40 °C +150 °C
RS Stock No. 168-7264
Mfr. Part No.SM6T47AY
HK$0.641
Each (On a Reel of 2500)
units
Single Uni-Directional 84V 44.4V Surface Mount DO-214AA (SMB) 40V 2 600W 48A - 1 -55 °C +150 °C
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